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  1. #1
    Join Date
    Jul 2007
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    Heat Pump outside unit continues to run

    Lately I've noticed that the outside unit continues to run with no heat coming from the vents. When the thermostat clicks, the heat starts and will continue to run until, of course, the set temp is reached, but the outside unit continues to run, even after the temp is reached.

    After some searching, I was sure it was the contact block that's supposed to be located in/at the outside unit. But I ran across the suggestion to turn the thermostat to "off" and if the fan stopped, it was more than likely something to do with the control wiring.

    After a flick of the switch, viola! the outside fan stops. turn the therm back on and the fan doesn't start again until the next cycle, then the fan continues to run.

    I would appreciate any/all help as to where to start looking at this control wire. Could it be the thermostat has gone bad? How to check? Could it be some creature has invaded the crawl space and chewed through some wiring? Could it still be the contact switch at the outside unit? My reading has indicated this should be less than a $20 DIY project if so.

    As you can tell, I'm stuck and in our area, decent HVAC people are few and far between, then coupled with a holiday, even more so. Any help will most definitely be appreciated!

    If it helps, the unit under the house is a carrier and the outside part is a Bryant...........

  2. #2
    Join Date
    Sep 2005
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    But sorry this is not A DIY site.
    I love the smell of phosgene first thing in the morning:

    To apply for professional membership click here

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    If you would like to submit a link or an article or other related info to the EF. click here

  3. #3
    Join Date
    Jul 2002
    Slacking off right now
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    turn it off at the disconnect switch and that should stop it from running - now if ya want the thing to heat - call a pro in your area

    BTW its a 21.50 DIY repair - The best tool bags on the market - The offical tool bag of choice by techs everywhere

    Arguing with some people is like wrestling a pig - eventually you realise the pig actually enjoys it

    Gonads serve a useful purpose but are no substitute for brains

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